code: def async_metrics_context():
      _async_metrics_context.enter_async_metrics_context()
      try:
          yield
      finally:
          _async_metrics_context.exit_async_metrics_context()
  
file_path: tensorflow/tensorflow/python/checkpoint/checkpoint_context.py
imports: import contextlib
  import threading
label_desc: Use image node_id 3 for calling a global function with example usage: async_metrics_context() without return types